package com.superiron.scaffold.core.config;

import com.superiron.scaffold.core.service.executor.MyThreadPoolTaskExecutor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @author ：yzg
 * @date ：Created in 2022/6/10 9:38
 * @description：线程池配置类
 * @modified By：
 * @version: $
 */
@Configuration
@EnableAsync
public class ExecutorConfig {
	
	private static final Logger logger = LoggerFactory.getLogger(ExecutorConfig.class);
	
	@Value("${async.executor.thread.core_pool_size:32}")
	private int corePoolSize;
	@Value("${async.executor.thread.max_pool_size:32}")
	private int maxPoolSize;
	@Value("${async.executor.thread.queue_capacity:10000}")
	private int queueCapacity;
	
	@Bean(name = "asyncServiceExecutor")
	public Executor asyncServiceExecutor() {
		logger.info("start asyncServiceExecutor");
		ThreadPoolTaskExecutor executor = new MyThreadPoolTaskExecutor();
		//配置核心线程数
		executor.setCorePoolSize(corePoolSize);
		//配置最大线程数
		executor.setMaxPoolSize(maxPoolSize);
		//配置队列大小
		executor.setQueueCapacity(queueCapacity);
		//配置线程池中的线程的名称前缀
		executor.setThreadNamePrefix("task_thread_");
		
		// rejection-policy：当pool已经达到max size的时候，如何处理新任务
		// CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
		//执行初始化
		executor.initialize();
		return executor;
	}
	
	@Bean(name = "transferExecutor")
	public Executor transferExecutor() {
		logger.info("start transferExecutor");
		ThreadPoolTaskExecutor executor = new MyThreadPoolTaskExecutor();
		//配置核心线程数
		executor.setCorePoolSize(corePoolSize);
		//配置最大线程数
		executor.setMaxPoolSize(maxPoolSize);
		//配置队列大小
		executor.setQueueCapacity(queueCapacity);
		//配置线程池中的线程的名称前缀
		executor.setThreadNamePrefix("transfer_thread_");
		
		// rejection-policy：当pool已经达到max size的时候，如何处理新任务
		// CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
		//执行初始化
		executor.initialize();
		return executor;
	}
}
